(19)

(11)

EP 3 607 361 A1

(12)

(43) Date of publication: 12.02.2020 Bulletin 2020/07 (21) Application number: 18734474.2 (22) Date of filing: 14.06.2018

(51) International Patent Classification (IPC):  G01V 3/10(2006.01) (86) International application number: PCT/EP2018/065902 (87) International publication number: WO 2018/234164 (27.12.2018 Gazette 2018/52)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 23.06.2017 DE 102017210672 (71) Applicant: Heinrich Hirdes GmbH 21079 Hamburg (DE)	(72) Inventor: KÖLBEL, Jan 21079 Hamburg (DE) (74) Representative: Schmidt, Axel  Schmidt-ip Patentanwaltskanzlei St. Emmeram-Strasse 30 85609 Aschheim St. Emmeram-Strasse 30 85609 Aschheim (DE)